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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 nonagesimal
 黃道地平最高點

From: Webster's Revised Unabridged Dictionary (1913)

 Non·a·ges·i·mal a.  Astron. Of or pertaining to the ninetieth degree or to a nonagesimal.

From: Webster's Revised Unabridged Dictionary (1913)

 Non·a·ges·i·mal, n. Astron. The middle or highest point of the part of the ecliptic which is at any given moment above the horizon.  It is the ninetieth degree of the ecliptic, reckoned from the points in which it is intersected by the horizon.
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